/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the Qt3Support module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include "q3hbox.h"+
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#include "qlayout.h"+
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#include "qapplication.h"+
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+
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QT_BEGIN_NAMESPACE+
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+
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/*!+
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    \class Q3HBox+
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    \brief The Q3HBox widget provides horizontal geometry management+
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    for its child widgets.+
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+
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    \compat+
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+
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    All the horizontal box's child widgets will be placed alongside+
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    each other and sized according to their sizeHint()s.+
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+
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    Use setMargin() to add space around the edges, and use+
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    setSpacing() to add space between the widgets. Use+
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    setStretchFactor() if you want the widgets to be different sizes+
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    in proportion to one another. (See \link layout.html+
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    Layouts\endlink for more information on stretch factors.)+
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+
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    \img qhbox-m.png Q3HBox+
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+
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    \sa QHBoxLayout Q3VBox Q3Grid+
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*/+
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+
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+
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/*!+
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    Constructs an hbox widget with parent \a parent, called \a name.+
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    The parent, name and widget flags, \a f, are passed to the Q3Frame+
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    constructor.+
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*/+
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Q3HBox::Q3HBox(QWidget *parent, const char *name, Qt::WindowFlags f)+
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    :Q3Frame(parent, name, f)+
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{+
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    (new QHBoxLayout(this, frameWidth(), frameWidth(), name))->setAutoAdd(true);+
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}+
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+
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+
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/*!+
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    Constructs a horizontal hbox if \a horizontal is TRUE, otherwise+
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    constructs a vertical hbox (also known as a vbox).+
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+
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    This constructor is provided for the QVBox class. You should never+
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    need to use it directly.+
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+
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    The \a parent, \a name and widget flags, \a f, are passed to the+
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    Q3Frame constructor.+
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*/+
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+
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Q3HBox::Q3HBox(bool horizontal, QWidget *parent , const char *name, Qt::WindowFlags f)+
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    :Q3Frame(parent, name, f)+
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{+
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    (new QBoxLayout(this, horizontal ? QBoxLayout::LeftToRight : QBoxLayout::Down,+
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                     frameWidth(), frameWidth(), name))->setAutoAdd(true);+
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}+
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+
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/*!\reimp+
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 */+
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void Q3HBox::frameChanged()+
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{+
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    if (layout())+
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        layout()->setMargin(frameWidth());+
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}+
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+
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+
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/*!+
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    Sets the spacing between the child widgets to \a space.+
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*/+
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+
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void Q3HBox::setSpacing(int space)+
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{+
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    if (layout())+
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        layout()->setSpacing(space);+
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}+
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+
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+
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/*!+
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  \reimp+
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*/+
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+
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QSize Q3HBox::sizeHint() const+
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{+
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    QWidget *mThis = (QWidget*)this;+
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    QApplication::sendPostedEvents(mThis, QEvent::ChildInserted);+
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    return Q3Frame::sizeHint();+
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}+
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+
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/*!+
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    Sets the stretch factor of widget \a w to \a stretch. Returns true if+
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    \a w is found. Otherwise returns false.+
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+
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    \sa QBoxLayout::setStretchFactor() \link layout.html Layouts\endlink+
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*/+
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bool Q3HBox::setStretchFactor(QWidget* w, int stretch)+
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{+
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    QApplication::sendPostedEvents(this, QEvent::ChildInserted);+
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    if (QBoxLayout *lay = qobject_cast<QBoxLayout *>(layout()))+
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        return lay->setStretchFactor(w, stretch);+
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    return false;+
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}+
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+
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QT_END_NAMESPACE+
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